#include <stdlib.h>
#include <stdio.h>
#include <time.h>

int main()
{
unsigned int a;
unsigned int b[2];
int i = 0;
    srand ((unsigned)time(NULL));
    for (i = 0; i < 2; i++){
    a = rand();
    b[i] = a;
    printf ("%x", b[i]);
    }
    printf ("\n");
    return 0;
}
